Discussion :: Environmental Science
- The atmospheric greenhouse effect is produced mainly by the:
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A.
Absorption and re-emission of visible light by the atmosphere |
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B.
Absorption and re-emission of ultraviolet radiation by the atmosphere |
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C.
Absorption and re-emission of infrared radiation by the atmosphere |
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D.
Absorption and re-emission of visible light by clouds |
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E.
Absorption and re-emission of visible light by the ground |
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Answer : Option C
Explanation :
The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without this atmosphere.
Radiatively active gases (i.e., greenhouse gases) in a planet's atmosphere radiate energy in all directions. Part of this radiation is directed towards the surface, warming it. [3] The intensity of the downward radiation – that is, the strength of the greenhouse effect – will depend on the atmosphere's temperature and on the amount of greenhouse gases that the atmosphere contains.
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